C10_PLL15_TXCLKDIV_MASK
tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, hw_state->pll[15]);
tx_clk_div = REG_FIELD_GET8(C10_PLL15_TXCLKDIV_MASK, pll_state->pll[15]);
pll_state->pll[15] = REG_FIELD_PREP(C10_PLL15_TXCLKDIV_MASK, pll_params.tx_clk_div) |